const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
What pins does the USB host shield use?
#include <SPI.h>
SPI uses pins 13, 12, 11 and in some cases 10 and/or 4. Pin 10 must be an OUTPUT.
const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
What pins does the USB host shield use?
#include <SPI.h>
SPI uses pins 13, 12, 11 and in some cases 10 and/or 4. Pin 10 must be an OUTPUT.